Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
 

Register · Log In
HomeGuideID RequestRecentFrassForumsDonateHelp
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Registration is open for the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2023

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29


Previous events
TaxonomyBrowseInfoImagesLinksBooksData
Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Cleroidea » Lophocateridae » Grynocharis » Grynocharis quadrilineata
Photo#47316
Bark-gnawing Beetle? - Grynocharis quadrilineata
Copyright © 2006 tom murray

Bark-gnawing Beetle? - Grynocharis quadrilineata
Boxborough, Middlesex County, Massachusetts, USA
April 9, 2006
Size: 6.5mm
Found under bark of a dead deciduous tree.
tag · login or register to post comments
Contributed by tom murray on 9 April, 2006 - 9:15pm
Last updated 11 April, 2006 - 10:54pm

Trogossitidae: Grynocharis quadrilineata
A nice picture. Listed just a bit earlier I believe by you also.
… Donald S. Chandler, 10 April, 2006 - 3:26pm login or register to post comments

 
size difference
Is the noticible difference in size just male and female?
… tom murray, 12 April, 2006 - 8:10am login or register to post comments

 
male and female?
I don't know. In the collection I did notice a fairly wide array of size differences (a few nearly twice the size of the smallest ones), but made no attempt to check the sexes of the beetles.
… Donald S. Chandler, 12 April, 2006 - 6:53pm login or register to post comments

 
OK
I knew they looked alike, but the big size difference threw me.
… tom murray, 12 April, 2006 - 7:01pm login or register to post comments

Comment viewing options
Select your preferred way to display the comments and click 'Save settings' to activate your changes.

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2024 Iowa State University, unless otherwise noted.

Bugguide is hosted by:

Plant Pathology, Entomology and Microbiology at Iowa State University logo

Printer Friendly Version 		Terms of Use
Privacy Statement
Site Map
Contact